[Bug 650539] Re: Launching QT apps under Xinerama crashes Xorg : affects SpeedCrunch, KeePassX, Lucky Backup, Pencil, Stellarium, Skype, Google Earth, VLC, Konqueror, VirtualBox, Opera ...

2010-10-17 Thread alfille
 Does anyone know why 'nvidia-graphics-drivers' is on this ticket at
all?

Sure. It was noticed first by nVidia users. Not too surprising since
multi-monitor users are probably disproportionately nVidia users.

Also, the closed source nVidia drivers always seem more culpable (and us
for using them).

It's hard to believe that the Xorg developers never ran into this bug.
However, I just searched their mailing list
http://www.x.org/wiki/SupportMailingList and there is only the note
Does anyone still use Xinerama?

I'll post our problems there.

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Launching QT apps under Xinerama crashes Xorg : affects SpeedCrunch, KeePassX, 
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VirtualBox, Opera ...
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[Bug 650539] Re: Launching QT apps under Xinerama crashes Xorg : affects SpeedCrunch, KeePassX, Lucky Backup, Pencil, Stellarium, Skype, Google Earth, VLC, Konqueror, VirtualBox, Opera ...

2010-10-17 Thread alfille
I added a bug report to the FreeDesktop Bugzilla
https://bugs.freedesktop.org/show_bug.cgi?id=30943

I appreciate Ubuntu more, now. The bug reporting system for Xorg is
truly unfriendly, with multiple registrations, and a request to self-
categorise the bug (Xorg isn't a catagory, the version 1.9.0 isn't a
choice, nor does the 7.5 version I guessed appear anywhere in
Xorg.0.log!

I get the feeling that there is a strong Intel bias in the Xorg
development. All the xrandr examples use it. Intel doesn't make a
separate graphics card so they don't need Xinerama.


** Bug watch added: freedesktop.org Bugzilla #30943
   http://bugs.freedesktop.org/show_bug.cgi?id=30943

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[Bug 650539] Re: Launching QT apps under Xinerama crashes Xorg : affects SpeedCrunch, KeePassX, Lucky Backup, Pencil, Stellarium, Skype, Google Earth, VLC, Konqueror, VirtualBox, Opera ...

2010-10-17 Thread alfille
The ArchLinux folks solved it!

https://bbs.archlinux.org/viewtopic.php?pid=841628#p841628

They submitted a patch upstream as well.

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Re: [Bug 650539] Re: Launching QT apps such as SpeedCrunch, keepassX, Lucky Backup, Pencil, Stellarium, skype, VLC crashes Xserver

2010-10-14 Thread alfille
+ kwrite +cervisia +tcl/Tk apps like tkgate tkcvs,...

On Thu, Oct 14, 2010 at 11:39 AM, Eddy eddy.b...@gmail.com wrote:
 Jérôme, Xinerama is switched on with Xorg.conf. Have you tried deleting
 it and creating a fresh one, just in case something is switching it on?

 ** Summary changed:

 - Launching QT apps such as SpeedCrunch, keepassX, Lucky Backup, Pencil, 
 Stellarium, skype, VLC crashes Xserver
 + Launching QT apps such as SpeedCrunch, keepassX, Lucky Backup, Pencil, 
 Stellarium, skype, Google Earth, VLC crashes Xserver

 --
 Launching QT apps such as SpeedCrunch, keepassX, Lucky Backup, Pencil, 
 Stellarium, skype, Google Earth, VLC crashes Xserver
 https://bugs.launchpad.net/bugs/650539
 You received this bug notification because you are a direct subscriber
 of a duplicate bug (650599).

 Status in “nvidia-graphics-drivers” package in Ubuntu: New
 Status in “qt4-x11” package in Ubuntu: Invalid
 Status in “xorg” package in Ubuntu: New

 Bug description:
 I think this may be related to QT apps, as keepassx, skype also crash X when 
 started
 This is on maverick will all current updates.

 ProblemType: Bug
 DistroRelease: Ubuntu 10.10
 Package: speedcrunch 0.10.1-2
 ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
 Uname: Linux 2.6.35-22-generic x86_64
 NonfreeKernelModules: nvidia
 Architecture: amd64
 Date: Tue Sep 28 12:29:04 2010
 InstallationMedia: Ubuntu 10.04 LTS Lucid Lynx - Release amd64 (20100429)
 ProcEnviron:
  LANG=en_US.UTF-8
  SHELL=/bin/bash
 SourcePackage: speedcrunch
 ---
 Architecture: amd64
 DistroRelease: Ubuntu 10.10
 InstallationMedia: Ubuntu 10.04 LTS Lucid Lynx - Release amd64 (20100429)
 NonfreeKernelModules: nvidia
 Package: xorg 1:7.5+6ubuntu3
 PackageArchitecture: amd64
 ProcEnviron:
  LANG=en_US.UTF-8
  SHELL=/bin/bash
 ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
 Tags: maverick
 Uname: Linux 2.6.35-22-generic x86_64
 UnreportableReason: The drivers from nvidia.com are not supported by Ubuntu.  
 Please uninstall them and test whether your problem still occurs.
 UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare video
 system:
  distro:             Ubuntu
  codename:           maverick
  architecture:       x86_64
  kernel:             2.6.35-22-generic


 To unsubscribe from this bug, go to:
 https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/650539/+subscribe


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[Bug 650539] Re: Launching QT apps such as SpeedCrunch, keepassX, Lucky Backup, Pencil, Stellarium, skype, VLC crashes Xserver

2010-10-12 Thread alfille
Nomad42184 asked if the Xinerama problem is being  explored upstream?

Bug 6450599 https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
drivers/+bug/650599

I reported be experience with nVidia. They confirm the bug, but says
it's an Ubuntu-only problem and closed the bug report.

They claim that Arch-linux doesn't have the same issue.

My advice is to pester nVidia. 
http://nvidia.custhelp.com/cgi-bin/nvidia.cfg/php/enduser/std_adp.php?p_faqid=44

I don't think they realise what a big deal this issue is.

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[Bug 650599] Re: kde apps kill X in 10.10

2010-10-05 Thread alfille
I reported this bug to nVidia, and they find it's an Xorg error in Ubuntu's 
implementation. Their comment is:
http://nvidia.custhelp.com/cgi-bin/nvidia.cfg/php/enduser/acct_login.php?p_next_page=myq_upd.phpp_iid=298195p_created=1285728578

Thanks for running those xinerama tests and for the additional information.

I set this up and can reproduce this fairly easily, but I'm pretty sure this 
isn't an
NVIDIA bug.

I can reproduce the problem with Ubuntu Maverick, but I can't reproduce
it on a recent version of Arch Linux, which uses the same X server version.

On Ubuntu, I can induce a crash by just running `kwrite` in a bare X
server with Xinerama enabled. I always get the same backtrace from the
crashing server:

Program received signal SIGSEGV, Segmentation fault.
PanoramiXTranslateCoords (client=0x86f6dc8) at
../../Xext/panoramiXprocs.c:637
637 ../../Xext/panoramiXprocs.c: No such file or directory.
in ../../Xext/panoramiXprocs.c
(gdb) bt
#0 PanoramiXTranslateCoords (client=0x86f6dc8) at
../../Xext/panoramiXprocs.c:637
#1 0x0806e087 in Dispatch () at ../../dix/dispatch.c:432
#2 0x080625ba in main (argc=1, argv=0xb874, envp=0xb87c) at
../../dix/main.c:291

This does seem to be a core X server bug rather than a driver bug.

Let me know if I can help further.

Best regards,
Mike

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[Bug 650599] Re: kde apps kill X in 10.10

2010-09-30 Thread alfille
After some testing (and reporting to nVidia as well) I can report:

1. nVidia 260.19.04 is also vulnerable
2. Xinerama is the culprit. No problems with twinview and no Xinerama (2 
separate dual head displays).

Paul Alfille

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[Bug 650599] [NEW] kde apps kill X in 10.10

2010-09-28 Thread alfille
Public bug reported:

Binary package hint: kdebase

Fresh 10.4 upgraded to 10.10 Ubuntu. Using nVidia driver v256 and
4-screen display (Quadro nvs 420 running as two twinviews with
Xinerama coupling them.

Gnome seems to work untiI try a kde program (konsole or cervisia) that
displays briefly and then dumps me to the gsm login page.

Similarly, trying to boot into kde shows the kde display briefly and
then drops me to the gdm login page.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: konsole 4:4.5.1-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Sep 28 16:22:07 2010
InstallationMedia: Ubuntu 10.04 LTS Lucid Lynx - Release amd64 (20100429)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: kdebase

** Affects: kdebase (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug kde maverick nvidia twinview xinerama

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[Bug 650599] Re: kde apps kill X in 10.10

2010-09-28 Thread alfille

** Attachment added: xorg.conf
   https://bugs.launchpad.net/bugs/650599/+attachment/1650617/+files/xorg.conf

** Attachment added: Dependencies.txt
   
https://bugs.launchpad.net/bugs/650599/+attachment/1650618/+files/Dependencies.txt

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[Bug 650610] [NEW] tcl apps kill X in 10.10

2010-09-28 Thread alfille
Public bug reported:

Binary package hint: tkcvs

Similar to Bug #650599

Launching a tcl program like tkcvs or even wish kills X within a few
seconds and I get returned to the gdm login screen.

Again its under 10.10, and the display is quad screen using twinview and
Xinerama.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: tkcvs 8.2.1-2
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Sep 28 16:40:34 2010
InstallationMedia: Ubuntu 10.04 LTS Lucid Lynx - Release amd64 (20100429)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: tkcvs

** Affects: tkcvs (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug maverick

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[Bug 650610] Re: tcl apps kill X in 10.10

2010-09-28 Thread alfille

** Attachment added: Dependencies.txt
   
https://bugs.launchpad.net/bugs/650610/+attachment/1650641/+files/Dependencies.txt

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